<template>
    <div class="app-container">
        <div id="pie" class="chart"></div>
    </div>
</template>

<script>
import {ref, onMounted, onBeforeUnmount} from "vue";
import * as echarts from "echarts";

export default {
    name: 'gauge',
    setup() {
        const chart = ref(null);
        let timer;
        const initChart = () => {
            chart.value = echarts.init(document.getElementById("pie"));

            let option = {
                backgroundColor: "#000",
                tooltip: {
                    formatter: "{a} <br/>{b} : {c}%",
                },
                toolbox: {
                    feature: {
                        restore: {},
                        saveAsImage: {},
                    },
                },
                series: [
                    // left
                    {
                        name: "gauge 0",
                        type: "gauge",
                        min: -200,
                        max: 250,
                        startAngle: -30,
                        endAngle: -315,
                        splitNumber: 9,
                        radius: "35%",
                        center: ["21%", "55%"],
                        axisLine: {
                            lineStyle: {
                                color: [[1, "#AE96A6"]],
                            },
                        },
                        splitLine: {
                            show: false,
                        },
                        axisTick: {
                            show: false,
                        },
                        axisLabel: {
                            show: false,
                        },
                        anchor: {},
                        pointer: {
                            show: false,
                        },
                        detail: {
                            show: false,
                        },
                        title: {
                            fontSize: 12,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            color: "#fff",
                            offsetCenter: [0, "-60%"],
                        },
                        progress: {
                            show: true,
                            width: 3,
                            itemStyle: {
                                color: "#fff",
                            },
                        },
                        data: [
                            {
                                value: 250,
                                name: "km/h",
                            },
                        ],
                    },
                    {
                        name: "gauge 1",
                        type: "gauge",
                        min: 0,
                        max: 250,
                        startAngle: -140,
                        endAngle: -305,
                        splitNumber: 5,
                        radius: "35%",
                        center: ["21%", "55%"],
                        axisLine: {
                            lineStyle: {
                                color: [[1, "#AE96A6"]],
                            },
                        },
                        splitLine: {
                            distance: -7,
                            length: 12,
                            lineStyle: {
                                color: "#fff",
                                width: 4,
                            },
                        },
                        axisTick: {
                            distance: -8,
                            length: 8,
                            lineStyle: {
                                color: "#fff",
                                width: 2,
                            },
                        },
                        axisLabel: {
                            distance: 14,
                            fontSize: 18,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            color: "#fff",
                        },
                        anchor: {},
                        pointer: {
                            icon:
                                "path://M-36.5,23.9L-41,4.4c-0.1-0.4-0.4-0.7-0.7-0.7c-0.5-0.1-1.1,0.2-1.2,0.7l-4.5,19.5c0,0.1,0,0.1,0,0.2v92.3c0,0.6,0.4,1,1,1h9c0.6,0,1-0.4,1-1V24.1C-36.5,24-36.5,23.9-36.5,23.9z M-39.5,114.6h-5v-85h5V114.6z",
                            width: 5,
                            length: "40%",
                            offsetCenter: [0, "-58%"],
                            itemStyle: {
                                color: "#f00",
                                shadowColor: "rgba(255, 0, 0)",
                                shadowBlur: 5,
                                shadowOffsetY: 2,
                            },
                        },
                        title: {
                            color: "#fff",
                            fontSize: 14,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            offsetCenter: [0, 0],
                        },
                        detail: {
                            show: false,
                        },
                        data: [
                            {
                                value: 0,
                                name: "当前位置：\n \n 中科路",
                            },
                        ],
                    },
                    // middle
                    {
                        name: "gauge 2",
                        type: "gauge",
                        min: 0,
                        max: 8,
                        z: 10,
                        startAngle: 210,
                        endAngle: -30,
                        splitNumber: 8,
                        radius: "50%",
                        center: ["50%", "50%"],
                        axisLine: {
                            show: true,
                            lineStyle: {
                                width: 0,
                                color: [
                                    [0.825, "#fff"],
                                    [1, "#f00"],
                                ],
                            },
                        },
                        splitLine: {
                            distance: 20,
                            length: 15,
                            lineStyle: {
                                color: "auto",
                                width: 4,
                                shadowColor: "rgba(255, 255, 255, 0.5)",
                                shadowBlur: 15,
                                shadowOffsetY: -10,
                            },
                        },
                        axisTick: {
                            distance: 20,
                            length: 8,
                            lineStyle: {
                                color: "auto",
                                width: 2,
                                shadowColor: "rgba(255, 255, 255)",
                                shadowBlur: 10,
                                shadowOffsetY: -10,
                            },
                        },
                        axisLabel: {
                            distance: 10,
                            fontSize: 35,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            color: "#fff",
                        },
                        anchor: {},
                        pointer: {
                            icon:
                                "path://M-36.5,23.9L-41,4.4c-0.1-0.4-0.4-0.7-0.7-0.7c-0.5-0.1-1.1,0.2-1.2,0.7l-4.5,19.5c0,0.1,0,0.1,0,0.2v92.3c0,0.6,0.4,1,1,1h9c0.6,0,1-0.4,1-1V24.1C-36.5,24-36.5,23.9-36.5,23.9z M-39.5,114.6h-5v-85h5V114.6z",
                            width: 10,
                            offsetCenter: [0, "-10%"],
                            length: "75%",
                            itemStyle: {
                                color: "#f00",
                                shadowColor: "rgba(255, 0, 0)",
                                shadowBlur: 5,
                                shadowOffsetY: 3,
                            },
                        },
                        title: {
                            color: "#fff",
                            fontSize: 12,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            offsetCenter: [0, "-50%"],
                        },
                        data: [
                            {
                                value: 0.6,
                                name: "1/min x 1000",
                            },
                        ],
                        detail: {
                            show: false,
                        },
                    },
                    {
                        name: "gauge 3",
                        type: "gauge",
                        min: 0,
                        max: 8,
                        z: 10,
                        splitNumber: 8,
                        radius: "50%",
                        axisLine: {
                            lineStyle: {
                                width: 14,
                                color: [[1, "#000"]],
                            },
                        },
                        splitLine: {
                            show: false,
                        },
                        axisTick: {
                            show: false,
                        },
                        axisLabel: {
                            show: false,
                        },
                        anchor: {},
                        pointer: {
                            show: false,
                        },
                        title: {
                            show: false,
                        },
                        detail: {
                            offsetCenter: ["25%", "50%"],
                            formatter: "{a|{value}}{b|km/h}",
                            rich: {
                                a: {
                                    fontSize: 60,
                                    fontWeight: 800,
                                    fontFamily: "Arial",
                                    color: "#fff",
                                    align: "center",
                                    padding: [0, 5, 0, 0],
                                },
                                b: {
                                    fontSize: 14,
                                    fontWeight: 800,
                                    fontFamily: "Arial",
                                    color: "#fff",
                                    rotate: 30,
                                    padding: [0, 0, 20, 0],
                                },
                            },
                        },
                        // value is speed
                        data: [
                            {
                                value: 0,
                                name: "",
                            },
                        ],
                    },
                    // right
                    {
                        name: "gauge 4",
                        type: "gauge",
                        min: 0,
                        max: 8,
                        startAngle: 135,
                        endAngle: -150,
                        splitNumber: 8,
                        radius: "35%",
                        center: ["79%", "55%"],
                        axisLine: {
                            lineStyle: {
                                color: [[1, "#AE96A6"]],
                            },
                        },
                        splitLine: {
                            show: false,
                        },
                        axisTick: {
                            show: false,
                        },
                        axisLabel: {
                            show: false,
                        },
                        anchor: {},
                        pointer: {
                            show: false,
                        },
                        title: {},
                        detail: {
                            offsetCenter: ["-15%", 0],
                            formatter: [
                                "{a|                  00:00}",
                                "{a|行驶时间       0:00}{b| h}",
                                "{a|行驶距离        0.0}{b| km}",
                                "{a|平均耗能        ---}{b| 1/100km}",
                                "{a|平均速度        ---}{b| km/h}",
                            ].join("\n"),
                            rich: {
                                a: {
                                    fontSize: 14,
                                    fontWeight: 800,
                                    fontFamily: "Arial",
                                    lineHeight: 22,
                                    color: "#fff",
                                    align: "left",
                                },
                                b: {
                                    fontWeight: 600,
                                    fontFamily: "Arial",
                                    lineHeight: 22,
                                    color: "#fff",
                                    align: "left",
                                },
                            },
                        },
                        progress: {
                            show: true,
                            width: 3,
                            itemStyle: {
                                color: "#fff",
                            },
                        },
                        data: [
                            {
                                value: 250,
                                name: "",
                            },
                        ],
                    },
                    {
                        name: "gauge 5",
                        type: "gauge",
                        min: 0,
                        max: 1,
                        startAngle: 125,
                        endAngle: 55,
                        splitNumber: 2,
                        radius: "34%",
                        center: ["79%", "55.3%"],
                        axisLine: {
                            lineStyle: {
                                width: 9,
                                color: [
                                    [0.15, "#f00"],
                                    [1, "rgba(255, 0, 0, 0)"],
                                ],
                            },
                        },
                        splitLine: {
                            distance: -14,
                            length: 16,
                            lineStyle: {
                                color: "#fff",
                                width: 4,
                            },
                        },
                        axisTick: {
                            distance: -14,
                            length: 10,
                            lineStyle: {
                                color: "#fff",
                                width: 2,
                            },
                        },
                        axisLabel: {
                            distance: 12,
                            fontSize: 18,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            color: "#fff",
                            formatter: function (value) {
                                if (value === 0.5) {
                                    return "2/4";
                                }
                                if (value === 1) {
                                    return "4/4";
                                }
                                return value;
                            },
                        },
                        progress: {
                            show: true,
                            width: 5,
                            itemStyle: {
                                color: "#fff",
                            },
                        },
                        anchor: {
                            show: true,
                            itemStyle: {},
                            offsetCenter: ["-22%", "-57%"],
                            size: 18,
                            icon:
                                "path://M1.11979167,1.11111112 C1.11979167,0.497461393 1.61725306,0 2.23090279,0 L12.2309028,0 C12.8445525,1.43824153e-08 13.3420139,0.497461403 13.3420139,1.11111112 L13.3420139,10 L15.5642361,10 C16.7915356,10 17.7864583,10.9949228 17.7864583,12.2222222 L17.7864583,16.6666667 C17.7865523,17.28025 18.2839861,17.7776077 18.8975694,17.7776077 C19.5111527,17.7776077 20.0085866,17.28025 20.0086805,16.6666667 L20.0086805,8.88888888 L17.7864583,8.88888888 C17.1728086,8.88888888 16.6753472,8.3914275 16.6753472,7.77777779 L16.6753472,3.79333333 L15.6197917,2.73777777 C15.1859413,2.30392741 15.1859413,1.60051702 15.6197917,1.16666667 L15.6197917,1.16666667 C16.053642,0.732816318 16.7570524,0.732816318 17.1909028,1.16666667 L21.9053472,5.88111112 C22.1140468,6.08922811 22.2312072,6.37193273 22.2309028,6.66666667 L22.2309028,16.6666667 C22.2309028,18.5076158 20.7385186,20 18.8975695,20 C17.0566203,20 15.5642361,18.5076158 15.5642361,16.6666667 L15.5642361,12.2222222 L13.3420139,12.2222222 L13.3420139,17.7777778 L13.3420139,17.7777778 C13.9556636,17.7777778 14.453125,18.2752392 14.453125,18.8888889 L14.453125,18.8888889 C14.453125,19.5025386 13.9556636,20 13.3420139,20 L1.11979165,20 C0.506141934,20 0.00868054688,19.5025386 0.00868054687,18.8888889 L0.00868054687,18.8888889 C0.00868054688,18.2752392 0.506141934,17.7777778 1.11979165,17.7777778 L1.11979167,17.7777778 L1.11979167,1.11111112 Z M3.34201388,2.22222221 L3.34201388,8.88888888 L11.1197917,8.88888888 L11.1197917,2.22222221 L3.34201388,2.22222221 Z",
                        },
                        pointer: {
                            show: false,
                        },
                        title: {},
                        detail: {
                            offsetCenter: ["10%", "-56%"],
                            formatter: "{a|831}{b| km}",
                            rich: {
                                a: {
                                    fontSize: 15,
                                    fontWeight: 800,
                                    fontFamily: "Arial",
                                    color: "#fff",
                                },
                                b: {
                                    fontWeight: 600,
                                    fontFamily: "Arial",
                                    color: "#fff",
                                },
                            },
                        },
                        data: [
                            {
                                value: 0.85,
                                name: "",
                            },
                        ],
                    },
                    {
                        name: "gauge 6",
                        type: "gauge",
                        min: -120,
                        max: -60,
                        startAngle: 230,
                        endAngle: 310,
                        clockwise: false,
                        splitNumber: 2,
                        radius: "35%",
                        center: ["79%", "55%"],
                        axisLine: {
                            lineStyle: {
                                color: [
                                    [1, "#AE96A6"],
                                    [1.1, "#f00"],
                                ],
                            },
                        },
                        splitLine: {
                            distance: -8,
                            length: 12,
                            lineStyle: {
                                color: "#fff",
                                width: 4,
                            },
                        },
                        axisTick: {
                            splitNumber: 3,
                            length: 8,
                            distance: -8,
                            lineStyle: {
                                color: "#fff",
                                width: 2,
                            },
                        },
                        axisLabel: {
                            distance: 14,
                            fontSize: 18,
                            fontWeight: 800,
                            fontFamily: "Arial",
                            color: "#fff",
                            formatter: function (value) {
                                return -value;
                            },
                        },
                        anchor: {
                            show: true,
                            itemStyle: {},
                            offsetCenter: [0, "55%"],
                            size: 20,
                            icon:
                                "path://M-34.1-1.1L-34.1-1.1c0-0.3-0.3-0.6-0.6-0.6h-3.6v-1.5c0-0.5-0.2-0.9-0.6-1.1s-0.9-0.2-1.3,0c-0.4,0.2-0.6,0.7-0.6,1.1V7.9c0,0,0,0.1,0,0.1c-0.8,0.5-1.2,1.5-0.9,2.5c0.3,0.9,1.1,1.6,2.1,1.6c1,0,1.8-0.6,2.1-1.5c0.3-0.9,0-1.9-0.8-2.5V6.3h3.5c0.4,0,0.7-0.3,0.7-0.7l0,0c0-0.4-0.3-0.7-0.7-0.7h-3.5V2.9h3.5c0.4,0,0.7-0.3,0.7-0.7l0,0c0-0.4-0.3-0.7-0.7-0.7h-3.5v-2.1h3.6C-34.4-0.5-34.1-0.8-34.1-1.1z M-44.9,11.6c-0.7,0-1.4-0.2-2-0.6c-0.4-0.3-0.9-0.4-1.4-0.4c-0.4,0-0.9,0.2-1.2,0.4c-0.4,0.2-1.4-0.9-0.9-1.3c0.6-0.4,1.3-0.6,2-0.7c0.8,0,1.5,0.2,2.2,0.5c0.4,0.3,0.9,0.4,1.3,0.4c0.6,0,1.1-0.2,1.5-0.6s1.6,0.7,0.9,1.3S-44,11.6-44.9,11.6L-44.9,11.6z M-34.3,11.6c-0.7,0-1.4-0.3-2-0.7c-0.6-0.4,0.5-1.6,0.9-1.3s0.8,0.4,1.2,0.4c0.5,0,1-0.1,1.4-0.4c0.6-0.3,1.3-0.5,2-0.6h0c0.9,0,1.7,0.3,2.4,0.9c0.7,0.5-0.5,1.6-0.9,1.3c-0.4-0.3-1-0.6-1.5-0.6h0c-0.5,0-0.9,0.2-1.3,0.4c-0.6,0.3-1.3,0.5-2,0.6H-34.3z M-33.5,16.3c-0.7,0-1.4-0.3-1.9-0.8c-0.4-0.3-0.6-0.5-1-0.5c-0.4,0-0.7,0.2-1,0.4c-0.6,0.5-1.3,0.7-2,0.7c-0.7,0-1.4-0.3-1.9-0.8c-0.2-0.3-0.6-0.4-0.9-0.4c-0.4,0-0.7,0.1-1.1,0.5c-0.6,0.5-1.3,0.7-2.1,0.7c-0.7-0.1-1.4-0.4-1.9-0.9c-0.4-0.3-0.6-0.5-1-0.5c-0.3,0-0.6,0.2-0.9,0.4s-1.6-0.7-1.1-1.2c0.5-0.5,1.2-0.8,1.9-0.9c1-0.1,1.6,0.4,2.1,0.8c0.3,0.3,0.6,0.5,1,0.5c0.4,0,0.6-0.1,1-0.4c0.6-0.5,1.4-0.8,2.1-0.8c0.7,0,1.4,0.3,1.9,0.8c0.2,0.2,0.6,0.4,0.9,0.4c0.4,0,0.6-0.1,1-0.4c0.6-0.5,1.3-0.7,2-0.7c0.8,0,1.5,0.3,2,0.9c0.4,0.3,0.6,0.4,0.9,0.4c0.3,0,0.7-0.2,1.1-0.5c0.5-0.4,1.2-0.9,2.3-0.8c0.7,0,1.4,0.3,1.9,0.7c0.5,0.4-0.7,1.5-1,1.3s-0.6-0.4-1-0.4c-0.4,0-0.7,0.2-1.2,0.5C-32,15.9-32.7,16.2-33.5,16.3L-33.5,16.3z",
                        },
                        pointer: {
                            icon:
                                "path://M2.9,0.7L2.9,0.7c1.4,0,2.6,1.2,2.6,2.6v115c0,1.4-1.2,2.6-2.6,2.6l0,0c-1.4,0-2.6-1.2-2.6-2.6V3.3C0.3,1.9,1.4,0.7,2.9,0.7z",
                            width: 15,
                            length: "4",
                            offsetCenter: [0, "-90%"],
                            itemStyle: {
                                color: "#f00",
                            },
                        },
                        title: {},
                        detail: {
                            show: false,
                        },
                        data: [
                            {
                                value: -120,
                                name: "",
                            },
                        ],
                    },
                ],
            };

            chart.value.setOption(option, true);

            function generateRandom(lower, upper, fixed) {
                return (Math.random() * (upper - lower + 1) + lower).toFixed(fixed) - 0;
            }

            function createFormatter(moveTime, moveDistance, avgEnergy, avgSpeed) {
                const date = new Date();
                let hour = date.getHours();
                let minite = date.getMinutes();
                let time =
                    (hour < 10 ? "0" + hour : hour) +
                    ":" +
                    (minite < 10 ? "0" + minite : minite);
                moveTime < 10 && (moveTime = "0" + moveTime);
                return [
                    `{a|                  ${time}}`,
                    `{a|行驶时间        ${"0:" + moveTime}}{b| h}`,
                    `{a|行驶距离        ${moveDistance}}{b| km}`,
                    `{a|平均耗能        ${avgEnergy}}{b| 1/100km}`,
                    `{a|平均速度        ${avgSpeed}}{b| km/h}`,
                ].join("\n");
            }

            const interval = 2;
            let moveTime = 0;
            let moveDistance = 0;
            let avgEnergy = 0;
            let avgSpeed = 0;
            let minite = 0;
            timer = setInterval(function () {
                let speed = generateRandom(70, 80, 0);
                option.series[1].data[0].value = speed;
                option.series[3].data[0].value = speed;
                let rotatingSpeed = generateRandom(2.5, 3, 1);
                option.series[2].data[0].value = rotatingSpeed;
                option.series[6].data[0].value = -generateRandom(105, 115, 0);

                moveTime += interval;
                if (moveTime % 60 === 0) {
                    minite++;
                    if (minite > 30) {
                        moveTime = 2;
                        moveDistance = 0;
                        avgEnergy = 0;
                        avgSpeed = 0;
                        minite = 0;
                        // oil
                        if (option.series[5].data[0].value > 0.3) {
                            option.series[5].data[0].value -= 0.1;
                        } else {
                            option.series[5].data[0].value = 1;
                        }
                    }
                }
                // mock value
                moveDistance += (interval / 3600) * speed;
                avgSpeed = moveDistance / (moveTime / 3600);
                avgEnergy = 85 * avgSpeed;
                option.series[4].detail.formatter = createFormatter(
                    minite,
                    moveDistance.toFixed(1),
                    avgEnergy.toFixed(0),
                    avgSpeed.toFixed(0)
                );
                chart.value.setOption(option, true);
            }, 2000);
        };

        onMounted(() => {
            initChart();
        });

        onBeforeUnmount(() => {
            clearInterval(timer)
            if (!chart.value) {
                return;
            }
            chart.value.dispose();
            chart.value = null;
        });

        return {};
    },
};
</script>

<style lang="scss" scoped>
    .app-container {
        background-color: #fff;
        box-sizing: border-box;
        padding: 20px;
    }

    .chart {
        width: 100%;
        height: 100%;
    }
</style>